204434452 has 24 divisors (see below), whose sum is σ = 398744640. Its totient is φ = 91140480.

The previous prime is 204434411. The next prime is 204434497. The reversal of 204434452 is 254434402.

It is a self number, because there is not a number n which added to its sum of digits gives 204434452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77824 + ... + 80407.

It is an arithmetic number, because the mean of its divisors is an integer number (16614360).

Almost surely, 2^204434452 is an apocalyptic number.

It is an amenable number.

204434452 is a deficient number, since it is larger than the sum of its proper divisors (194310188).

204434452 is a wasteful number, since it uses less digits than its factorization.

204434452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158271 (or 158269 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 204434452 is about 14298.0576303217. The cubic root of 204434452 is about 589.0941303089.

Adding to 204434452 its reverse (254434402), we get a palindrome (458868854).

The spelling of 204434452 in words is "two hundred four million, four hundred thirty-four thousand, four hundred fifty-two".